Kia Plans $1 Billion Mexico Car Assembly Plant

MEXICO CITY—South Korea's Kia Motors Corp. is proposing to build a more than $1 billion assembly plant in Mexico, officials said on Wednesday, the latest in a spate of factory investments accelerating Mexico into the top ranks of global auto makers.

Kia joins Mazda Motor Corp., Honda Motor Co., Audi AG, BMW AG and a Renault SA, Nissan Motor Co. and Daimler AG partnership, all of which in the past six months have either begun...